/Engine/Plugins/Experimental/Mutable/Source/CustomizableObjectEditor/Public/MuCOE/CustomizableObjectEditorViewportClient.h
To notify of changes in any parameter projector node property in case is the one being used, currently just the projector type parameter is taken into account
void ProjectorParameterChanged ( [UCustomizableObjectNodeProjectorParameter](API\Plugins\CustomizableObjectEditor\MuCOE\Nodes\UCustomizableObj-_47) * Node )